The Cut-through of China's First High-speed Railway Through Qin Mountains
Time:2016-05-14From:sinorock Viet: 0
Laoanshan tunnel is China's first high-speed rail through Qin Mountains. According to route planning, it will shorten nearly 650 kilometers from Xi'an to Chengdu. Only three hours can finish the course in theory if the motor car is 250 kilometers per hour. By then, the passengers can visit the Terracotta Warriors and Horses in Xi'an in the morning and have a night in Dujiangyan, Sichuan in the evening. Thus, it has great significance to promote regional economic and social development and improve people's quality of travel through the tunnel.Due to the formation of complex geological conditions, abundant groundwater, undulating surface, numerous bedrock "V" type erosion valley, the construction of Laoanshan tunnel is extremely difficult. For this special construction conditions, it is advised to use stainless self drilling anchor system. It is suitable for the reinforcement of moist stratum and soil layer and has certain resistance to air, water and chemical reagents.
There are three characteristics:
1.Antioxidant and heat-resistant.
2.The higher intensity of material and its life is long.
3.High wear-resisting, and low loss during drilling process.
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